Home / 39,938.15-59,908.74-10,355.19

Finding the Fourth Proportional to 39,938.15, 59,908.74 and 10,355.19

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Solution

The fourth proportional to 39,938.15, 59,908.74 and 10,355.19 is: 15,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.15 : 59,908.74 = 10,355.19 : x
  2. Step 2: Convert to fraction form
    39,938.15/59,908.74 = 10,355.19/x
  3. Step 3: Cross multiply
    39,938.15x = 59,908.74 × 10,355.19
  4. Step 4: Simplify right side
    39,938.15x = 620,366,385.36
  5. Step 5: Solve for x
    x = 620,366,385.36/39,938.15
  6. Step 6: Final answer
    x = 15,533.18

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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.