Home / 30,064.30-45,061.60-11,332.35

Finding the Fourth Proportional to 30,064.30, 45,061.60 and 11,332.35

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Solution

The fourth proportional to 30,064.30, 45,061.60 and 11,332.35 is: 16,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.30 : 45,061.60 = 11,332.35 : x
  2. Step 2: Convert to fraction form
    30,064.30/45,061.60 = 11,332.35/x
  3. Step 3: Cross multiply
    30,064.30x = 45,061.60 × 11,332.35
  4. Step 4: Simplify right side
    30,064.30x = 510,653,540.79
  5. Step 5: Solve for x
    x = 510,653,540.79/30,064.30
  6. Step 6: Final answer
    x = 16,985.38

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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.