Home / 37,618.08-56,407.06-12,649.83

Finding the Fourth Proportional to 37,618.08, 56,407.06 and 12,649.83

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Solution

The fourth proportional to 37,618.08, 56,407.06 and 12,649.83 is: 18,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.08 : 56,407.06 = 12,649.83 : x
  2. Step 2: Convert to fraction form
    37,618.08/56,407.06 = 12,649.83/x
  3. Step 3: Cross multiply
    37,618.08x = 56,407.06 × 12,649.83
  4. Step 4: Simplify right side
    37,618.08x = 713,539,719.80
  5. Step 5: Solve for x
    x = 713,539,719.80/37,618.08
  6. Step 6: Final answer
    x = 18,968.00

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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.