Home / 37,899.79-52,302.12-20,904.78

Finding the Fourth Proportional to 37,899.79, 52,302.12 and 20,904.78

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Solution

The fourth proportional to 37,899.79, 52,302.12 and 20,904.78 is: 28,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,899.79 : 52,302.12 = 20,904.78 : x
  2. Step 2: Convert to fraction form
    37,899.79/52,302.12 = 20,904.78/x
  3. Step 3: Cross multiply
    37,899.79x = 52,302.12 × 20,904.78
  4. Step 4: Simplify right side
    37,899.79x = 1,093,364,312.13
  5. Step 5: Solve for x
    x = 1,093,364,312.13/37,899.79
  6. Step 6: Final answer
    x = 28,848.82

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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.