Home / 37,918.74-56,878.11-12,946.24

Finding the Fourth Proportional to 37,918.74, 56,878.11 and 12,946.24

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Solution

The fourth proportional to 37,918.74, 56,878.11 and 12,946.24 is: 19,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.74 : 56,878.11 = 12,946.24 : x
  2. Step 2: Convert to fraction form
    37,918.74/56,878.11 = 12,946.24/x
  3. Step 3: Cross multiply
    37,918.74x = 56,878.11 × 12,946.24
  4. Step 4: Simplify right side
    37,918.74x = 736,357,662.81
  5. Step 5: Solve for x
    x = 736,357,662.81/37,918.74
  6. Step 6: Final answer
    x = 19,419.36

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Similar ratio
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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.