Home / 39,545.40-59,318.10-13,247.40

Finding the Fourth Proportional to 39,545.40, 59,318.10 and 13,247.40

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Solution

The fourth proportional to 39,545.40, 59,318.10 and 13,247.40 is: 19,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,545.40 : 59,318.10 = 13,247.40 : x
  2. Step 2: Convert to fraction form
    39,545.40/59,318.10 = 13,247.40/x
  3. Step 3: Cross multiply
    39,545.40x = 59,318.10 × 13,247.40
  4. Step 4: Simplify right side
    39,545.40x = 785,810,597.94
  5. Step 5: Solve for x
    x = 785,810,597.94/39,545.40
  6. Step 6: Final answer
    x = 19,871.10

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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.