Home / 47,689.16-65,799.34-28,572.04

Finding the Fourth Proportional to 47,689.16, 65,799.34 and 28,572.04

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Solution

The fourth proportional to 47,689.16, 65,799.34 and 28,572.04 is: 39,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.16 : 65,799.34 = 28,572.04 : x
  2. Step 2: Convert to fraction form
    47,689.16/65,799.34 = 28,572.04/x
  3. Step 3: Cross multiply
    47,689.16x = 65,799.34 × 28,572.04
  4. Step 4: Simplify right side
    47,689.16x = 1,880,021,385.27
  5. Step 5: Solve for x
    x = 1,880,021,385.27/47,689.16
  6. Step 6: Final answer
    x = 39,422.41

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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.