Home / 48,408.80-72,518.64-31,718.12

Finding the Fourth Proportional to 48,408.80, 72,518.64 and 31,718.12

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Solution

The fourth proportional to 48,408.80, 72,518.64 and 31,718.12 is: 47,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.80 : 72,518.64 = 31,718.12 : x
  2. Step 2: Convert to fraction form
    48,408.80/72,518.64 = 31,718.12/x
  3. Step 3: Cross multiply
    48,408.80x = 72,518.64 × 31,718.12
  4. Step 4: Simplify right side
    48,408.80x = 2,300,154,925.76
  5. Step 5: Solve for x
    x = 2,300,154,925.76/48,408.80
  6. Step 6: Final answer
    x = 47,515.22

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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.