Home / 42,390.04-63,585.02-11,225.32

Finding the Fourth Proportional to 42,390.04, 63,585.02 and 11,225.32

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Solution

The fourth proportional to 42,390.04, 63,585.02 and 11,225.32 is: 16,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,390.04 : 63,585.02 = 11,225.32 : x
  2. Step 2: Convert to fraction form
    42,390.04/63,585.02 = 11,225.32/x
  3. Step 3: Cross multiply
    42,390.04x = 63,585.02 × 11,225.32
  4. Step 4: Simplify right side
    42,390.04x = 713,762,196.71
  5. Step 5: Solve for x
    x = 713,762,196.71/42,390.04
  6. Step 6: Final answer
    x = 16,837.97

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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.