Home / 48,501.60-72,752.40-45,002.40

Finding the Fourth Proportional to 48,501.60, 72,752.40 and 45,002.40

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Solution

The fourth proportional to 48,501.60, 72,752.40 and 45,002.40 is: 67,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501.60 : 72,752.40 = 45,002.40 : x
  2. Step 2: Convert to fraction form
    48,501.60/72,752.40 = 45,002.40/x
  3. Step 3: Cross multiply
    48,501.60x = 72,752.40 × 45,002.40
  4. Step 4: Simplify right side
    48,501.60x = 3,274,032,605.76
  5. Step 5: Solve for x
    x = 3,274,032,605.76/48,501.60
  6. Step 6: Final answer
    x = 67,503.60

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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.