Home / 47,877.40-66,071.46-26,657.20

Finding the Fourth Proportional to 47,877.40, 66,071.46 and 26,657.20

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Solution

The fourth proportional to 47,877.40, 66,071.46 and 26,657.20 is: 36,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.40 : 66,071.46 = 26,657.20 : x
  2. Step 2: Convert to fraction form
    47,877.40/66,071.46 = 26,657.20/x
  3. Step 3: Cross multiply
    47,877.40x = 66,071.46 × 26,657.20
  4. Step 4: Simplify right side
    47,877.40x = 1,761,280,123.51
  5. Step 5: Solve for x
    x = 1,761,280,123.51/47,877.40
  6. Step 6: Final answer
    x = 36,787.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.