Home / 40,770.29-56,263.59-30,543.20

Finding the Fourth Proportional to 40,770.29, 56,263.59 and 30,543.20

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Solution

The fourth proportional to 40,770.29, 56,263.59 and 30,543.20 is: 42,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.29 : 56,263.59 = 30,543.20 : x
  2. Step 2: Convert to fraction form
    40,770.29/56,263.59 = 30,543.20/x
  3. Step 3: Cross multiply
    40,770.29x = 56,263.59 × 30,543.20
  4. Step 4: Simplify right side
    40,770.29x = 1,718,470,084.10
  5. Step 5: Solve for x
    x = 1,718,470,084.10/40,770.29
  6. Step 6: Final answer
    x = 42,150.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.