Home / 48,315.42-72,476.10-12,777.48

Finding the Fourth Proportional to 48,315.42, 72,476.10 and 12,777.48

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Solution

The fourth proportional to 48,315.42, 72,476.10 and 12,777.48 is: 19,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315.42 : 72,476.10 = 12,777.48 : x
  2. Step 2: Convert to fraction form
    48,315.42/72,476.10 = 12,777.48/x
  3. Step 3: Cross multiply
    48,315.42x = 72,476.10 × 12,777.48
  4. Step 4: Simplify right side
    48,315.42x = 926,061,918.23
  5. Step 5: Solve for x
    x = 926,061,918.23/48,315.42
  6. Step 6: Final answer
    x = 19,167.01

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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.