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Finding the Fourth Proportional to 56,143.71, 77,491.34 and 37,026.93

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Solution

The fourth proportional to 56,143.71, 77,491.34 and 37,026.93 is: 51,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.71 : 77,491.34 = 37,026.93 : x
  2. Step 2: Convert to fraction form
    56,143.71/77,491.34 = 37,026.93/x
  3. Step 3: Cross multiply
    56,143.71x = 77,491.34 × 37,026.93
  4. Step 4: Simplify right side
    56,143.71x = 2,869,266,421.79
  5. Step 5: Solve for x
    x = 2,869,266,421.79/56,143.71
  6. Step 6: Final answer
    x = 51,105.75

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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.