Home / 39,309.30-58,877.55-38,445.30

Finding the Fourth Proportional to 39,309.30, 58,877.55 and 38,445.30

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Solution

The fourth proportional to 39,309.30, 58,877.55 and 38,445.30 is: 57,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.30 : 58,877.55 = 38,445.30 : x
  2. Step 2: Convert to fraction form
    39,309.30/58,877.55 = 38,445.30/x
  3. Step 3: Cross multiply
    39,309.30x = 58,877.55 × 38,445.30
  4. Step 4: Simplify right side
    39,309.30x = 2,263,565,073.02
  5. Step 5: Solve for x
    x = 2,263,565,073.02/39,309.30
  6. Step 6: Final answer
    x = 57,583.45

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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.