Home / 40,528.12-55,929.40-22,624.48

Finding the Fourth Proportional to 40,528.12, 55,929.40 and 22,624.48

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Solution

The fourth proportional to 40,528.12, 55,929.40 and 22,624.48 is: 31,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,528.12 : 55,929.40 = 22,624.48 : x
  2. Step 2: Convert to fraction form
    40,528.12/55,929.40 = 22,624.48/x
  3. Step 3: Cross multiply
    40,528.12x = 55,929.40 × 22,624.48
  4. Step 4: Simplify right side
    40,528.12x = 1,265,373,591.71
  5. Step 5: Solve for x
    x = 1,265,373,591.71/40,528.12
  6. Step 6: Final answer
    x = 31,222.11

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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.