Home / 55,281.20-76,335.91-52,443.63

Finding the Fourth Proportional to 55,281.20, 76,335.91 and 52,443.63

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Solution

The fourth proportional to 55,281.20, 76,335.91 and 52,443.63 is: 72,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.20 : 76,335.91 = 52,443.63 : x
  2. Step 2: Convert to fraction form
    55,281.20/76,335.91 = 52,443.63/x
  3. Step 3: Cross multiply
    55,281.20x = 76,335.91 × 52,443.63
  4. Step 4: Simplify right side
    55,281.20x = 4,003,332,021.45
  5. Step 5: Solve for x
    x = 4,003,332,021.45/55,281.20
  6. Step 6: Final answer
    x = 72,417.60

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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.