Home / 61,257.16-84,457.38-40,002.76

Finding the Fourth Proportional to 61,257.16, 84,457.38 and 40,002.76

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Solution

The fourth proportional to 61,257.16, 84,457.38 and 40,002.76 is: 55,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,257.16 : 84,457.38 = 40,002.76 : x
  2. Step 2: Convert to fraction form
    61,257.16/84,457.38 = 40,002.76/x
  3. Step 3: Cross multiply
    61,257.16x = 84,457.38 × 40,002.76
  4. Step 4: Simplify right side
    61,257.16x = 3,378,528,302.37
  5. Step 5: Solve for x
    x = 3,378,528,302.37/61,257.16
  6. Step 6: Final answer
    x = 55,153.20

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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.