Home / 42,008.56-63,004.16-19,812.40

Finding the Fourth Proportional to 42,008.56, 63,004.16 and 19,812.40

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Solution

The fourth proportional to 42,008.56, 63,004.16 and 19,812.40 is: 29,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.56 : 63,004.16 = 19,812.40 : x
  2. Step 2: Convert to fraction form
    42,008.56/63,004.16 = 19,812.40/x
  3. Step 3: Cross multiply
    42,008.56x = 63,004.16 × 19,812.40
  4. Step 4: Simplify right side
    42,008.56x = 1,248,263,619.58
  5. Step 5: Solve for x
    x = 1,248,263,619.58/42,008.56
  6. Step 6: Final answer
    x = 29,714.51

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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.