Home / 56,047.50-84,071.04-18,610.38

Finding the Fourth Proportional to 56,047.50, 84,071.04 and 18,610.38

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Solution

The fourth proportional to 56,047.50, 84,071.04 and 18,610.38 is: 27,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,047.50 : 84,071.04 = 18,610.38 : x
  2. Step 2: Convert to fraction form
    56,047.50/84,071.04 = 18,610.38/x
  3. Step 3: Cross multiply
    56,047.50x = 84,071.04 × 18,610.38
  4. Step 4: Simplify right side
    56,047.50x = 1,564,594,001.40
  5. Step 5: Solve for x
    x = 1,564,594,001.40/56,047.50
  6. Step 6: Final answer
    x = 27,915.50

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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.