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Finding the Fourth Proportional to 38,049.79, 52,510.59 and 21,919.51

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Solution

The fourth proportional to 38,049.79, 52,510.59 and 21,919.51 is: 30,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,049.79 : 52,510.59 = 21,919.51 : x
  2. Step 2: Convert to fraction form
    38,049.79/52,510.59 = 21,919.51/x
  3. Step 3: Cross multiply
    38,049.79x = 52,510.59 × 21,919.51
  4. Step 4: Simplify right side
    38,049.79x = 1,151,006,402.61
  5. Step 5: Solve for x
    x = 1,151,006,402.61/38,049.79
  6. Step 6: Final answer
    x = 30,250.01

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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.