Home / 56,970.39-78,618.67-31,476.67

Finding the Fourth Proportional to 56,970.39, 78,618.67 and 31,476.67

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Solution

The fourth proportional to 56,970.39, 78,618.67 and 31,476.67 is: 43,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970.39 : 78,618.67 = 31,476.67 : x
  2. Step 2: Convert to fraction form
    56,970.39/78,618.67 = 31,476.67/x
  3. Step 3: Cross multiply
    56,970.39x = 78,618.67 × 31,476.67
  4. Step 4: Simplify right side
    56,970.39x = 2,474,654,127.98
  5. Step 5: Solve for x
    x = 2,474,654,127.98/56,970.39
  6. Step 6: Final answer
    x = 43,437.55

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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.