Home / 42,024.48-63,041.64-13,947

Finding the Fourth Proportional to 42,024.48, 63,041.64 and 13,947

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Solution

The fourth proportional to 42,024.48, 63,041.64 and 13,947 is: 20,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,024.48 : 63,041.64 = 13,947 : x
  2. Step 2: Convert to fraction form
    42,024.48/63,041.64 = 13,947/x
  3. Step 3: Cross multiply
    42,024.48x = 63,041.64 × 13,947
  4. Step 4: Simplify right side
    42,024.48x = 879,241,753.08
  5. Step 5: Solve for x
    x = 879,241,753.08/42,024.48
  6. Step 6: Final answer
    x = 20,922.13

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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.