Home / 45,459.91-62,716.98-28,457.20

Finding the Fourth Proportional to 45,459.91, 62,716.98 and 28,457.20

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Solution

The fourth proportional to 45,459.91, 62,716.98 and 28,457.20 is: 39,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.91 : 62,716.98 = 28,457.20 : x
  2. Step 2: Convert to fraction form
    45,459.91/62,716.98 = 28,457.20/x
  3. Step 3: Cross multiply
    45,459.91x = 62,716.98 × 28,457.20
  4. Step 4: Simplify right side
    45,459.91x = 1,784,749,643.26
  5. Step 5: Solve for x
    x = 1,784,749,643.26/45,459.91
  6. Step 6: Final answer
    x = 39,259.86

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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.