Home / 48,184.20-72,341.10-30,688.20

Finding the Fourth Proportional to 48,184.20, 72,341.10 and 30,688.20

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Solution

The fourth proportional to 48,184.20, 72,341.10 and 30,688.20 is: 46,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,184.20 : 72,341.10 = 30,688.20 : x
  2. Step 2: Convert to fraction form
    48,184.20/72,341.10 = 30,688.20/x
  3. Step 3: Cross multiply
    48,184.20x = 72,341.10 × 30,688.20
  4. Step 4: Simplify right side
    48,184.20x = 2,220,018,145.02
  5. Step 5: Solve for x
    x = 2,220,018,145.02/48,184.20
  6. Step 6: Final answer
    x = 46,073.57

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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.