Home / 42,202.30-63,218.40-26,358.70

Finding the Fourth Proportional to 42,202.30, 63,218.40 and 26,358.70

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Solution

The fourth proportional to 42,202.30, 63,218.40 and 26,358.70 is: 39,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,202.30 : 63,218.40 = 26,358.70 : x
  2. Step 2: Convert to fraction form
    42,202.30/63,218.40 = 26,358.70/x
  3. Step 3: Cross multiply
    42,202.30x = 63,218.40 × 26,358.70
  4. Step 4: Simplify right side
    42,202.30x = 1,666,354,840.08
  5. Step 5: Solve for x
    x = 1,666,354,840.08/42,202.30
  6. Step 6: Final answer
    x = 39,484.93

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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.