Home / 30,263.57-45,402.65-9,487.07

Finding the Fourth Proportional to 30,263.57, 45,402.65 and 9,487.07

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Solution

The fourth proportional to 30,263.57, 45,402.65 and 9,487.07 is: 14,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.57 : 45,402.65 = 9,487.07 : x
  2. Step 2: Convert to fraction form
    30,263.57/45,402.65 = 9,487.07/x
  3. Step 3: Cross multiply
    30,263.57x = 45,402.65 × 9,487.07
  4. Step 4: Simplify right side
    30,263.57x = 430,738,118.74
  5. Step 5: Solve for x
    x = 430,738,118.74/30,263.57
  6. Step 6: Final answer
    x = 14,232.89

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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.