Home / 47,870.40-71,805.60-26,875.20

Finding the Fourth Proportional to 47,870.40, 71,805.60 and 26,875.20

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Solution

The fourth proportional to 47,870.40, 71,805.60 and 26,875.20 is: 40,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.40 : 71,805.60 = 26,875.20 : x
  2. Step 2: Convert to fraction form
    47,870.40/71,805.60 = 26,875.20/x
  3. Step 3: Cross multiply
    47,870.40x = 71,805.60 × 26,875.20
  4. Step 4: Simplify right side
    47,870.40x = 1,929,789,861.12
  5. Step 5: Solve for x
    x = 1,929,789,861.12/47,870.40
  6. Step 6: Final answer
    x = 40,312.80

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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.