Home / 38,373.76-52,956.48-21,607.36

Finding the Fourth Proportional to 38,373.76, 52,956.48 and 21,607.36

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Solution

The fourth proportional to 38,373.76, 52,956.48 and 21,607.36 is: 29,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.76 : 52,956.48 = 21,607.36 : x
  2. Step 2: Convert to fraction form
    38,373.76/52,956.48 = 21,607.36/x
  3. Step 3: Cross multiply
    38,373.76x = 52,956.48 × 21,607.36
  4. Step 4: Simplify right side
    38,373.76x = 1,144,249,727.69
  5. Step 5: Solve for x
    x = 1,144,249,727.69/38,373.76
  6. Step 6: Final answer
    x = 29,818.55

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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.