Home / 42,457.64-63,686.55-11,292.89

Finding the Fourth Proportional to 42,457.64, 63,686.55 and 11,292.89

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Solution

The fourth proportional to 42,457.64, 63,686.55 and 11,292.89 is: 16,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,457.64 : 63,686.55 = 11,292.89 : x
  2. Step 2: Convert to fraction form
    42,457.64/63,686.55 = 11,292.89/x
  3. Step 3: Cross multiply
    42,457.64x = 63,686.55 × 11,292.89
  4. Step 4: Simplify right side
    42,457.64x = 719,205,203.63
  5. Step 5: Solve for x
    x = 719,205,203.63/42,457.64
  6. Step 6: Final answer
    x = 16,939.36

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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.