Home / 51,931.51-71,663.45-29,275.10

Finding the Fourth Proportional to 51,931.51, 71,663.45 and 29,275.10

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Solution

The fourth proportional to 51,931.51, 71,663.45 and 29,275.10 is: 40,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.51 : 71,663.45 = 29,275.10 : x
  2. Step 2: Convert to fraction form
    51,931.51/71,663.45 = 29,275.10/x
  3. Step 3: Cross multiply
    51,931.51x = 71,663.45 × 29,275.10
  4. Step 4: Simplify right side
    51,931.51x = 2,097,954,429.14
  5. Step 5: Solve for x
    x = 2,097,954,429.14/51,931.51
  6. Step 6: Final answer
    x = 40,398.49

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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.