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Finding the Fourth Proportional to 64,894.50, 97,352.28 and 25,430.22

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Solution

The fourth proportional to 64,894.50, 97,352.28 and 25,430.22 is: 38,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,894.50 : 97,352.28 = 25,430.22 : x
  2. Step 2: Convert to fraction form
    64,894.50/97,352.28 = 25,430.22/x
  3. Step 3: Cross multiply
    64,894.50x = 97,352.28 × 25,430.22
  4. Step 4: Simplify right side
    64,894.50x = 2,475,689,897.90
  5. Step 5: Solve for x
    x = 2,475,689,897.90/64,894.50
  6. Step 6: Final answer
    x = 38,149.46

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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.