Home / 40,303.08-55,618.20-22,397.52

Finding the Fourth Proportional to 40,303.08, 55,618.20 and 22,397.52

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Solution

The fourth proportional to 40,303.08, 55,618.20 and 22,397.52 is: 30,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.08 : 55,618.20 = 22,397.52 : x
  2. Step 2: Convert to fraction form
    40,303.08/55,618.20 = 22,397.52/x
  3. Step 3: Cross multiply
    40,303.08x = 55,618.20 × 22,397.52
  4. Step 4: Simplify right side
    40,303.08x = 1,245,709,746.86
  5. Step 5: Solve for x
    x = 1,245,709,746.86/40,303.08
  6. Step 6: Final answer
    x = 30,908.55

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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.