Home / 39,641.32-59,471.08-13,345.36

Finding the Fourth Proportional to 39,641.32, 59,471.08 and 13,345.36

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Solution

The fourth proportional to 39,641.32, 59,471.08 and 13,345.36 is: 20,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.32 : 59,471.08 = 13,345.36 : x
  2. Step 2: Convert to fraction form
    39,641.32/59,471.08 = 13,345.36/x
  3. Step 3: Cross multiply
    39,641.32x = 59,471.08 × 13,345.36
  4. Step 4: Simplify right side
    39,641.32x = 793,662,972.19
  5. Step 5: Solve for x
    x = 793,662,972.19/39,641.32
  6. Step 6: Final answer
    x = 20,021.10

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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.