Home / 42,007.04-63,010.55-14,305.04

Finding the Fourth Proportional to 42,007.04, 63,010.55 and 14,305.04

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Solution

The fourth proportional to 42,007.04, 63,010.55 and 14,305.04 is: 21,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007.04 : 63,010.55 = 14,305.04 : x
  2. Step 2: Convert to fraction form
    42,007.04/63,010.55 = 14,305.04/x
  3. Step 3: Cross multiply
    42,007.04x = 63,010.55 × 14,305.04
  4. Step 4: Simplify right side
    42,007.04x = 901,368,051.59
  5. Step 5: Solve for x
    x = 901,368,051.59/42,007.04
  6. Step 6: Final answer
    x = 21,457.55

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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.