Home / 30,218.16-45,342.58-13,574.76

Finding the Fourth Proportional to 30,218.16, 45,342.58 and 13,574.76

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Solution

The fourth proportional to 30,218.16, 45,342.58 and 13,574.76 is: 20,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.16 : 45,342.58 = 13,574.76 : x
  2. Step 2: Convert to fraction form
    30,218.16/45,342.58 = 13,574.76/x
  3. Step 3: Cross multiply
    30,218.16x = 45,342.58 × 13,574.76
  4. Step 4: Simplify right side
    30,218.16x = 615,514,641.28
  5. Step 5: Solve for x
    x = 615,514,641.28/30,218.16
  6. Step 6: Final answer
    x = 20,369.03

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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.