Home / 30,117.36-45,182.16-10,393.35

Finding the Fourth Proportional to 30,117.36, 45,182.16 and 10,393.35

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Solution

The fourth proportional to 30,117.36, 45,182.16 and 10,393.35 is: 15,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.36 : 45,182.16 = 10,393.35 : x
  2. Step 2: Convert to fraction form
    30,117.36/45,182.16 = 10,393.35/x
  3. Step 3: Cross multiply
    30,117.36x = 45,182.16 × 10,393.35
  4. Step 4: Simplify right side
    30,117.36x = 469,594,002.64
  5. Step 5: Solve for x
    x = 469,594,002.64/30,117.36
  6. Step 6: Final answer
    x = 15,592.14

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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.