Home / 61,210.08-84,457.08-40,020.48

Finding the Fourth Proportional to 61,210.08, 84,457.08 and 40,020.48

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Solution

The fourth proportional to 61,210.08, 84,457.08 and 40,020.48 is: 55,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,210.08 : 84,457.08 = 40,020.48 : x
  2. Step 2: Convert to fraction form
    61,210.08/84,457.08 = 40,020.48/x
  3. Step 3: Cross multiply
    61,210.08x = 84,457.08 × 40,020.48
  4. Step 4: Simplify right side
    61,210.08x = 3,380,012,881.00
  5. Step 5: Solve for x
    x = 3,380,012,881.00/61,210.08
  6. Step 6: Final answer
    x = 55,219.87

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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.