Home / 47,888.35-71,807.55-17,877.88

Finding the Fourth Proportional to 47,888.35, 71,807.55 and 17,877.88

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Solution

The fourth proportional to 47,888.35, 71,807.55 and 17,877.88 is: 26,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.35 : 71,807.55 = 17,877.88 : x
  2. Step 2: Convert to fraction form
    47,888.35/71,807.55 = 17,877.88/x
  3. Step 3: Cross multiply
    47,888.35x = 71,807.55 × 17,877.88
  4. Step 4: Simplify right side
    47,888.35x = 1,283,766,784.71
  5. Step 5: Solve for x
    x = 1,283,766,784.71/47,888.35
  6. Step 6: Final answer
    x = 26,807.50

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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.