Home / 30,647.24-45,970.90-9,587.40

Finding the Fourth Proportional to 30,647.24, 45,970.90 and 9,587.40

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Solution

The fourth proportional to 30,647.24, 45,970.90 and 9,587.40 is: 14,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.24 : 45,970.90 = 9,587.40 : x
  2. Step 2: Convert to fraction form
    30,647.24/45,970.90 = 9,587.40/x
  3. Step 3: Cross multiply
    30,647.24x = 45,970.90 × 9,587.40
  4. Step 4: Simplify right side
    30,647.24x = 440,741,406.66
  5. Step 5: Solve for x
    x = 440,741,406.66/30,647.24
  6. Step 6: Final answer
    x = 14,381.11

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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.