Home / 39,292,303.60-58,938,455.40-20,160,427.60

Finding the Fourth Proportional to 39,292,303.60, 58,938,455.40 and 20,160,427.60

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Solution

The fourth proportional to 39,292,303.60, 58,938,455.40 and 20,160,427.60 is: 30,240,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292,303.60 : 58,938,455.40 = 20,160,427.60 : x
  2. Step 2: Convert to fraction form
    39,292,303.60/58,938,455.40 = 20,160,427.60/x
  3. Step 3: Cross multiply
    39,292,303.60x = 58,938,455.40 × 20,160,427.60
  4. Step 4: Simplify right side
    39,292,303.60x = 1,188,224,462,947,529
  5. Step 5: Solve for x
    x = 1,188,224,462,947,529/39,292,303.60
  6. Step 6: Final answer
    x = 30,240,641.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.