Home / 48,146.53-72,220.01-31,611.19

Finding the Fourth Proportional to 48,146.53, 72,220.01 and 31,611.19

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Solution

The fourth proportional to 48,146.53, 72,220.01 and 31,611.19 is: 47,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.53 : 72,220.01 = 31,611.19 : x
  2. Step 2: Convert to fraction form
    48,146.53/72,220.01 = 31,611.19/x
  3. Step 3: Cross multiply
    48,146.53x = 72,220.01 × 31,611.19
  4. Step 4: Simplify right side
    48,146.53x = 2,282,960,457.91
  5. Step 5: Solve for x
    x = 2,282,960,457.91/48,146.53
  6. Step 6: Final answer
    x = 47,416.93

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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.