Home / 48,541.98-72,841.28-20,460.32

Finding the Fourth Proportional to 48,541.98, 72,841.28 and 20,460.32

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Solution

The fourth proportional to 48,541.98, 72,841.28 and 20,460.32 is: 30,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,541.98 : 72,841.28 = 20,460.32 : x
  2. Step 2: Convert to fraction form
    48,541.98/72,841.28 = 20,460.32/x
  3. Step 3: Cross multiply
    48,541.98x = 72,841.28 × 20,460.32
  4. Step 4: Simplify right side
    48,541.98x = 1,490,355,898.01
  5. Step 5: Solve for x
    x = 1,490,355,898.01/48,541.98
  6. Step 6: Final answer
    x = 30,702.41

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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.