Home / 37,909.04-52,313.80-20,914.88

Finding the Fourth Proportional to 37,909.04, 52,313.80 and 20,914.88

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Solution

The fourth proportional to 37,909.04, 52,313.80 and 20,914.88 is: 28,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.04 : 52,313.80 = 20,914.88 : x
  2. Step 2: Convert to fraction form
    37,909.04/52,313.80 = 20,914.88/x
  3. Step 3: Cross multiply
    37,909.04x = 52,313.80 × 20,914.88
  4. Step 4: Simplify right side
    37,909.04x = 1,094,136,849.34
  5. Step 5: Solve for x
    x = 1,094,136,849.34/37,909.04
  6. Step 6: Final answer
    x = 28,862.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.