Home / 51,723.40-71,387.58-30,501.40

Finding the Fourth Proportional to 51,723.40, 71,387.58 and 30,501.40

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Solution

The fourth proportional to 51,723.40, 71,387.58 and 30,501.40 is: 42,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,723.40 : 71,387.58 = 30,501.40 : x
  2. Step 2: Convert to fraction form
    51,723.40/71,387.58 = 30,501.40/x
  3. Step 3: Cross multiply
    51,723.40x = 71,387.58 × 30,501.40
  4. Step 4: Simplify right side
    51,723.40x = 2,177,421,132.61
  5. Step 5: Solve for x
    x = 2,177,421,132.61/51,723.40
  6. Step 6: Final answer
    x = 42,097.41

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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.