Home / 30,888.48-46,332.18-7,515.12

Finding the Fourth Proportional to 30,888.48, 46,332.18 and 7,515.12

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Solution

The fourth proportional to 30,888.48, 46,332.18 and 7,515.12 is: 11,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.48 : 46,332.18 = 7,515.12 : x
  2. Step 2: Convert to fraction form
    30,888.48/46,332.18 = 7,515.12/x
  3. Step 3: Cross multiply
    30,888.48x = 46,332.18 × 7,515.12
  4. Step 4: Simplify right side
    30,888.48x = 348,191,892.56
  5. Step 5: Solve for x
    x = 348,191,892.56/30,888.48
  6. Step 6: Final answer
    x = 11,272.55

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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.