Home / 56,984.74-78,641.66-34,330.76

Finding the Fourth Proportional to 56,984.74, 78,641.66 and 34,330.76

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Solution

The fourth proportional to 56,984.74, 78,641.66 and 34,330.76 is: 47,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,984.74 : 78,641.66 = 34,330.76 : x
  2. Step 2: Convert to fraction form
    56,984.74/78,641.66 = 34,330.76/x
  3. Step 3: Cross multiply
    56,984.74x = 78,641.66 × 34,330.76
  4. Step 4: Simplify right side
    56,984.74x = 2,699,827,955.46
  5. Step 5: Solve for x
    x = 2,699,827,955.46/56,984.74
  6. Step 6: Final answer
    x = 47,378.09

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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.