Home / 30,501.40-45,769.02-14,919.16

Finding the Fourth Proportional to 30,501.40, 45,769.02 and 14,919.16

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Solution

The fourth proportional to 30,501.40, 45,769.02 and 14,919.16 is: 22,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.40 : 45,769.02 = 14,919.16 : x
  2. Step 2: Convert to fraction form
    30,501.40/45,769.02 = 14,919.16/x
  3. Step 3: Cross multiply
    30,501.40x = 45,769.02 × 14,919.16
  4. Step 4: Simplify right side
    30,501.40x = 682,835,332.42
  5. Step 5: Solve for x
    x = 682,835,332.42/30,501.40
  6. Step 6: Final answer
    x = 22,387.02

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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.