Home / 42,210.08-63,273.36-19,984.40

Finding the Fourth Proportional to 42,210.08, 63,273.36 and 19,984.40

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Solution

The fourth proportional to 42,210.08, 63,273.36 and 19,984.40 is: 29,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,210.08 : 63,273.36 = 19,984.40 : x
  2. Step 2: Convert to fraction form
    42,210.08/63,273.36 = 19,984.40/x
  3. Step 3: Cross multiply
    42,210.08x = 63,273.36 × 19,984.40
  4. Step 4: Simplify right side
    42,210.08x = 1,264,480,135.58
  5. Step 5: Solve for x
    x = 1,264,480,135.58/42,210.08
  6. Step 6: Final answer
    x = 29,956.83

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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.