Home / 35,345.79-53,018.41-8,691.66

Finding the Fourth Proportional to 35,345.79, 53,018.41 and 8,691.66

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Solution

The fourth proportional to 35,345.79, 53,018.41 and 8,691.66 is: 13,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.79 : 53,018.41 = 8,691.66 : x
  2. Step 2: Convert to fraction form
    35,345.79/53,018.41 = 8,691.66/x
  3. Step 3: Cross multiply
    35,345.79x = 53,018.41 × 8,691.66
  4. Step 4: Simplify right side
    35,345.79x = 460,817,993.46
  5. Step 5: Solve for x
    x = 460,817,993.46/35,345.79
  6. Step 6: Final answer
    x = 13,037.42

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1.5x scale

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.