Home / 48,417.40-72,636.90-18,832.60

Finding the Fourth Proportional to 48,417.40, 72,636.90 and 18,832.60

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Solution

The fourth proportional to 48,417.40, 72,636.90 and 18,832.60 is: 28,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,417.40 : 72,636.90 = 18,832.60 : x
  2. Step 2: Convert to fraction form
    48,417.40/72,636.90 = 18,832.60/x
  3. Step 3: Cross multiply
    48,417.40x = 72,636.90 × 18,832.60
  4. Step 4: Simplify right side
    48,417.40x = 1,367,941,682.94
  5. Step 5: Solve for x
    x = 1,367,941,682.94/48,417.40
  6. Step 6: Final answer
    x = 28,253.10

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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.