Home / 51,925.71-71,681.40-30,412.47

Finding the Fourth Proportional to 51,925.71, 71,681.40 and 30,412.47

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Solution

The fourth proportional to 51,925.71, 71,681.40 and 30,412.47 is: 41,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,925.71 : 71,681.40 = 30,412.47 : x
  2. Step 2: Convert to fraction form
    51,925.71/71,681.40 = 30,412.47/x
  3. Step 3: Cross multiply
    51,925.71x = 71,681.40 × 30,412.47
  4. Step 4: Simplify right side
    51,925.71x = 2,180,008,427.06
  5. Step 5: Solve for x
    x = 2,180,008,427.06/51,925.71
  6. Step 6: Final answer
    x = 41,983.22

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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.