Home / 38,962.58-58,457.76-12,667.40

Finding the Fourth Proportional to 38,962.58, 58,457.76 and 12,667.40

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Solution

The fourth proportional to 38,962.58, 58,457.76 and 12,667.40 is: 19,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962.58 : 58,457.76 = 12,667.40 : x
  2. Step 2: Convert to fraction form
    38,962.58/58,457.76 = 12,667.40/x
  3. Step 3: Cross multiply
    38,962.58x = 58,457.76 × 12,667.40
  4. Step 4: Simplify right side
    38,962.58x = 740,507,829.02
  5. Step 5: Solve for x
    x = 740,507,829.02/38,962.58
  6. Step 6: Final answer
    x = 19,005.62

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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.