Home / 34,702.48-47,887.60-20,360.31

Finding the Fourth Proportional to 34,702.48, 47,887.60 and 20,360.31

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Solution

The fourth proportional to 34,702.48, 47,887.60 and 20,360.31 is: 28,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.48 : 47,887.60 = 20,360.31 : x
  2. Step 2: Convert to fraction form
    34,702.48/47,887.60 = 20,360.31/x
  3. Step 3: Cross multiply
    34,702.48x = 47,887.60 × 20,360.31
  4. Step 4: Simplify right side
    34,702.48x = 975,006,381.16
  5. Step 5: Solve for x
    x = 975,006,381.16/34,702.48
  6. Step 6: Final answer
    x = 28,096.16

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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.