Home / 42,389.04-63,583.52-11,224.32

Finding the Fourth Proportional to 42,389.04, 63,583.52 and 11,224.32

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Solution

The fourth proportional to 42,389.04, 63,583.52 and 11,224.32 is: 16,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,389.04 : 63,583.52 = 11,224.32 : x
  2. Step 2: Convert to fraction form
    42,389.04/63,583.52 = 11,224.32/x
  3. Step 3: Cross multiply
    42,389.04x = 63,583.52 × 11,224.32
  4. Step 4: Simplify right side
    42,389.04x = 713,681,775.21
  5. Step 5: Solve for x
    x = 713,681,775.21/42,389.04
  6. Step 6: Final answer
    x = 16,836.47

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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.