Home / 30,402.16-45,602.40-9,625.12

Finding the Fourth Proportional to 30,402.16, 45,602.40 and 9,625.12

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Solution

The fourth proportional to 30,402.16, 45,602.40 and 9,625.12 is: 14,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.16 : 45,602.40 = 9,625.12 : x
  2. Step 2: Convert to fraction form
    30,402.16/45,602.40 = 9,625.12/x
  3. Step 3: Cross multiply
    30,402.16x = 45,602.40 × 9,625.12
  4. Step 4: Simplify right side
    30,402.16x = 438,928,572.29
  5. Step 5: Solve for x
    x = 438,928,572.29/30,402.16
  6. Step 6: Final answer
    x = 14,437.41

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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.