Home / 51,574.45-77,349.12-21,572.47

Finding the Fourth Proportional to 51,574.45, 77,349.12 and 21,572.47

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Solution

The fourth proportional to 51,574.45, 77,349.12 and 21,572.47 is: 32,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,574.45 : 77,349.12 = 21,572.47 : x
  2. Step 2: Convert to fraction form
    51,574.45/77,349.12 = 21,572.47/x
  3. Step 3: Cross multiply
    51,574.45x = 77,349.12 × 21,572.47
  4. Step 4: Simplify right side
    51,574.45x = 1,668,611,570.73
  5. Step 5: Solve for x
    x = 1,668,611,570.73/51,574.45
  6. Step 6: Final answer
    x = 32,353.45

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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.