Home / 37,386.40-56,128.20-29,999.20

Finding the Fourth Proportional to 37,386.40, 56,128.20 and 29,999.20

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Solution

The fourth proportional to 37,386.40, 56,128.20 and 29,999.20 is: 45,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,386.40 : 56,128.20 = 29,999.20 : x
  2. Step 2: Convert to fraction form
    37,386.40/56,128.20 = 29,999.20/x
  3. Step 3: Cross multiply
    37,386.40x = 56,128.20 × 29,999.20
  4. Step 4: Simplify right side
    37,386.40x = 1,683,801,097.44
  5. Step 5: Solve for x
    x = 1,683,801,097.44/37,386.40
  6. Step 6: Final answer
    x = 45,037.80

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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.