Home / 40,124.20-60,128.70-29,511.40

Finding the Fourth Proportional to 40,124.20, 60,128.70 and 29,511.40

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Solution

The fourth proportional to 40,124.20, 60,128.70 and 29,511.40 is: 44,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.20 : 60,128.70 = 29,511.40 : x
  2. Step 2: Convert to fraction form
    40,124.20/60,128.70 = 29,511.40/x
  3. Step 3: Cross multiply
    40,124.20x = 60,128.70 × 29,511.40
  4. Step 4: Simplify right side
    40,124.20x = 1,774,482,117.18
  5. Step 5: Solve for x
    x = 1,774,482,117.18/40,124.20
  6. Step 6: Final answer
    x = 44,224.74

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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.