Home / 48,320.32-66,686.88-31,524.16

Finding the Fourth Proportional to 48,320.32, 66,686.88 and 31,524.16

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Solution

The fourth proportional to 48,320.32, 66,686.88 and 31,524.16 is: 43,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.32 : 66,686.88 = 31,524.16 : x
  2. Step 2: Convert to fraction form
    48,320.32/66,686.88 = 31,524.16/x
  3. Step 3: Cross multiply
    48,320.32x = 66,686.88 × 31,524.16
  4. Step 4: Simplify right side
    48,320.32x = 2,102,247,875.02
  5. Step 5: Solve for x
    x = 2,102,247,875.02/48,320.32
  6. Step 6: Final answer
    x = 43,506.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.