Home / 30,309.03-45,484.29-10,587.60

Finding the Fourth Proportional to 30,309.03, 45,484.29 and 10,587.60

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Solution

The fourth proportional to 30,309.03, 45,484.29 and 10,587.60 is: 15,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.03 : 45,484.29 = 10,587.60 : x
  2. Step 2: Convert to fraction form
    30,309.03/45,484.29 = 10,587.60/x
  3. Step 3: Cross multiply
    30,309.03x = 45,484.29 × 10,587.60
  4. Step 4: Simplify right side
    30,309.03x = 481,569,468.80
  5. Step 5: Solve for x
    x = 481,569,468.80/30,309.03
  6. Step 6: Final answer
    x = 15,888.65

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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.