Home / 48,510.48-66,962.16-30,617.16

Finding the Fourth Proportional to 48,510.48, 66,962.16 and 30,617.16

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Solution

The fourth proportional to 48,510.48, 66,962.16 and 30,617.16 is: 42,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,510.48 : 66,962.16 = 30,617.16 : x
  2. Step 2: Convert to fraction form
    48,510.48/66,962.16 = 30,617.16/x
  3. Step 3: Cross multiply
    48,510.48x = 66,962.16 × 30,617.16
  4. Step 4: Simplify right side
    48,510.48x = 2,050,191,166.67
  5. Step 5: Solve for x
    x = 2,050,191,166.67/48,510.48
  6. Step 6: Final answer
    x = 42,262.85

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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.