Home / 55,293.77-82,875.05-30,345.57

Finding the Fourth Proportional to 55,293.77, 82,875.05 and 30,345.57

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Solution

The fourth proportional to 55,293.77, 82,875.05 and 30,345.57 is: 45,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.77 : 82,875.05 = 30,345.57 : x
  2. Step 2: Convert to fraction form
    55,293.77/82,875.05 = 30,345.57/x
  3. Step 3: Cross multiply
    55,293.77x = 82,875.05 × 30,345.57
  4. Step 4: Simplify right side
    55,293.77x = 2,514,890,593.10
  5. Step 5: Solve for x
    x = 2,514,890,593.10/55,293.77
  6. Step 6: Final answer
    x = 45,482.35

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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.