Home / 37,145.81-51,248.75-21,218.98

Finding the Fourth Proportional to 37,145.81, 51,248.75 and 21,218.98

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Solution

The fourth proportional to 37,145.81, 51,248.75 and 21,218.98 is: 29,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.81 : 51,248.75 = 21,218.98 : x
  2. Step 2: Convert to fraction form
    37,145.81/51,248.75 = 21,218.98/x
  3. Step 3: Cross multiply
    37,145.81x = 51,248.75 × 21,218.98
  4. Step 4: Simplify right side
    37,145.81x = 1,087,445,967.06
  5. Step 5: Solve for x
    x = 1,087,445,967.06/37,145.81
  6. Step 6: Final answer
    x = 29,275.07

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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.