Home / 35,557.68-53,368.86-18,931.62

Finding the Fourth Proportional to 35,557.68, 53,368.86 and 18,931.62

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Solution

The fourth proportional to 35,557.68, 53,368.86 and 18,931.62 is: 28,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.68 : 53,368.86 = 18,931.62 : x
  2. Step 2: Convert to fraction form
    35,557.68/53,368.86 = 18,931.62/x
  3. Step 3: Cross multiply
    35,557.68x = 53,368.86 × 18,931.62
  4. Step 4: Simplify right side
    35,557.68x = 1,010,358,977.35
  5. Step 5: Solve for x
    x = 1,010,358,977.35/35,557.68
  6. Step 6: Final answer
    x = 28,414.65

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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.