Home / 48,053.40-66,293.28-30,136.20

Finding the Fourth Proportional to 48,053.40, 66,293.28 and 30,136.20

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Solution

The fourth proportional to 48,053.40, 66,293.28 and 30,136.20 is: 41,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,053.40 : 66,293.28 = 30,136.20 : x
  2. Step 2: Convert to fraction form
    48,053.40/66,293.28 = 30,136.20/x
  3. Step 3: Cross multiply
    48,053.40x = 66,293.28 × 30,136.20
  4. Step 4: Simplify right side
    48,053.40x = 1,997,827,544.74
  5. Step 5: Solve for x
    x = 1,997,827,544.74/48,053.40
  6. Step 6: Final answer
    x = 41,575.15

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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.