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Finding the Fourth Proportional to 35,707.68, 53,547.84 and 12,327.84

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Solution

The fourth proportional to 35,707.68, 53,547.84 and 12,327.84 is: 18,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,707.68 : 53,547.84 = 12,327.84 : x
  2. Step 2: Convert to fraction form
    35,707.68/53,547.84 = 12,327.84/x
  3. Step 3: Cross multiply
    35,707.68x = 53,547.84 × 12,327.84
  4. Step 4: Simplify right side
    35,707.68x = 660,129,203.87
  5. Step 5: Solve for x
    x = 660,129,203.87/35,707.68
  6. Step 6: Final answer
    x = 18,487.04

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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.