Home / 48,325.15-72,458.61-21,666.32

Finding the Fourth Proportional to 48,325.15, 72,458.61 and 21,666.32

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Solution

The fourth proportional to 48,325.15, 72,458.61 and 21,666.32 is: 32,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,325.15 : 72,458.61 = 21,666.32 : x
  2. Step 2: Convert to fraction form
    48,325.15/72,458.61 = 21,666.32/x
  3. Step 3: Cross multiply
    48,325.15x = 72,458.61 × 21,666.32
  4. Step 4: Simplify right side
    48,325.15x = 1,569,911,259.19
  5. Step 5: Solve for x
    x = 1,569,911,259.19/48,325.15
  6. Step 6: Final answer
    x = 32,486.42

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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.