Home / 37,649.40-56,471.01-12,688.89

Finding the Fourth Proportional to 37,649.40, 56,471.01 and 12,688.89

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Solution

The fourth proportional to 37,649.40, 56,471.01 and 12,688.89 is: 19,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.40 : 56,471.01 = 12,688.89 : x
  2. Step 2: Convert to fraction form
    37,649.40/56,471.01 = 12,688.89/x
  3. Step 3: Cross multiply
    37,649.40x = 56,471.01 × 12,688.89
  4. Step 4: Simplify right side
    37,649.40x = 716,554,434.08
  5. Step 5: Solve for x
    x = 716,554,434.08/37,649.40
  6. Step 6: Final answer
    x = 19,032.29

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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.