Home / 38,962.32-58,457.06-12,312.38

Finding the Fourth Proportional to 38,962.32, 58,457.06 and 12,312.38

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Solution

The fourth proportional to 38,962.32, 58,457.06 and 12,312.38 is: 18,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962.32 : 58,457.06 = 12,312.38 : x
  2. Step 2: Convert to fraction form
    38,962.32/58,457.06 = 12,312.38/x
  3. Step 3: Cross multiply
    38,962.32x = 58,457.06 × 12,312.38
  4. Step 4: Simplify right side
    38,962.32x = 719,745,536.40
  5. Step 5: Solve for x
    x = 719,745,536.40/38,962.32
  6. Step 6: Final answer
    x = 18,472.86

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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.