Home / 37,143.04-51,256.50-20,146.81

Finding the Fourth Proportional to 37,143.04, 51,256.50 and 20,146.81

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Solution

The fourth proportional to 37,143.04, 51,256.50 and 20,146.81 is: 27,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.04 : 51,256.50 = 20,146.81 : x
  2. Step 2: Convert to fraction form
    37,143.04/51,256.50 = 20,146.81/x
  3. Step 3: Cross multiply
    37,143.04x = 51,256.50 × 20,146.81
  4. Step 4: Simplify right side
    37,143.04x = 1,032,654,966.77
  5. Step 5: Solve for x
    x = 1,032,654,966.77/37,143.04
  6. Step 6: Final answer
    x = 27,802.11

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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.