Home / 47,209.79-70,805.28-30,292.76

Finding the Fourth Proportional to 47,209.79, 70,805.28 and 30,292.76

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Solution

The fourth proportional to 47,209.79, 70,805.28 and 30,292.76 is: 45,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,209.79 : 70,805.28 = 30,292.76 : x
  2. Step 2: Convert to fraction form
    47,209.79/70,805.28 = 30,292.76/x
  3. Step 3: Cross multiply
    47,209.79x = 70,805.28 × 30,292.76
  4. Step 4: Simplify right side
    47,209.79x = 2,144,887,353.77
  5. Step 5: Solve for x
    x = 2,144,887,353.77/47,209.79
  6. Step 6: Final answer
    x = 45,433.11

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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.