Home / 40,613.40-60,920.10-28,803.60

Finding the Fourth Proportional to 40,613.40, 60,920.10 and 28,803.60

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Solution

The fourth proportional to 40,613.40, 60,920.10 and 28,803.60 is: 43,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,613.40 : 60,920.10 = 28,803.60 : x
  2. Step 2: Convert to fraction form
    40,613.40/60,920.10 = 28,803.60/x
  3. Step 3: Cross multiply
    40,613.40x = 60,920.10 × 28,803.60
  4. Step 4: Simplify right side
    40,613.40x = 1,754,718,192.36
  5. Step 5: Solve for x
    x = 1,754,718,192.36/40,613.40
  6. Step 6: Final answer
    x = 43,205.40

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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.