Home / 51,386.01-70,924.14-31,238.63

Finding the Fourth Proportional to 51,386.01, 70,924.14 and 31,238.63

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Solution

The fourth proportional to 51,386.01, 70,924.14 and 31,238.63 is: 43,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.01 : 70,924.14 = 31,238.63 : x
  2. Step 2: Convert to fraction form
    51,386.01/70,924.14 = 31,238.63/x
  3. Step 3: Cross multiply
    51,386.01x = 70,924.14 × 31,238.63
  4. Step 4: Simplify right side
    51,386.01x = 2,215,572,456.71
  5. Step 5: Solve for x
    x = 2,215,572,456.71/51,386.01
  6. Step 6: Final answer
    x = 43,116.26

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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.