Home / 35,780.10-53,698.50-18,925.08

Finding the Fourth Proportional to 35,780.10, 53,698.50 and 18,925.08

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Solution

The fourth proportional to 35,780.10, 53,698.50 and 18,925.08 is: 28,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.10 : 53,698.50 = 18,925.08 : x
  2. Step 2: Convert to fraction form
    35,780.10/53,698.50 = 18,925.08/x
  3. Step 3: Cross multiply
    35,780.10x = 53,698.50 × 18,925.08
  4. Step 4: Simplify right side
    35,780.10x = 1,016,248,408.38
  5. Step 5: Solve for x
    x = 1,016,248,408.38/35,780.10
  6. Step 6: Final answer
    x = 28,402.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.