Home / 46,720.50-70,102.62-20,432.76

Finding the Fourth Proportional to 46,720.50, 70,102.62 and 20,432.76

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Solution

The fourth proportional to 46,720.50, 70,102.62 and 20,432.76 is: 30,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,720.50 : 70,102.62 = 20,432.76 : x
  2. Step 2: Convert to fraction form
    46,720.50/70,102.62 = 20,432.76/x
  3. Step 3: Cross multiply
    46,720.50x = 70,102.62 × 20,432.76
  4. Step 4: Simplify right side
    46,720.50x = 1,432,390,009.83
  5. Step 5: Solve for x
    x = 1,432,390,009.83/46,720.50
  6. Step 6: Final answer
    x = 30,658.70

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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.