Home / 47,990.30-66,136.93-34,538.20

Finding the Fourth Proportional to 47,990.30, 66,136.93 and 34,538.20

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Solution

The fourth proportional to 47,990.30, 66,136.93 and 34,538.20 is: 47,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.30 : 66,136.93 = 34,538.20 : x
  2. Step 2: Convert to fraction form
    47,990.30/66,136.93 = 34,538.20/x
  3. Step 3: Cross multiply
    47,990.30x = 66,136.93 × 34,538.20
  4. Step 4: Simplify right side
    47,990.30x = 2,284,250,361.18
  5. Step 5: Solve for x
    x = 2,284,250,361.18/47,990.30
  6. Step 6: Final answer
    x = 47,598.17

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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.