Home / 61,210.16-84,438.54-40,827.32

Finding the Fourth Proportional to 61,210.16, 84,438.54 and 40,827.32

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Solution

The fourth proportional to 61,210.16, 84,438.54 and 40,827.32 is: 56,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,210.16 : 84,438.54 = 40,827.32 : x
  2. Step 2: Convert to fraction form
    61,210.16/84,438.54 = 40,827.32/x
  3. Step 3: Cross multiply
    61,210.16x = 84,438.54 × 40,827.32
  4. Step 4: Simplify right side
    61,210.16x = 3,447,399,292.91
  5. Step 5: Solve for x
    x = 3,447,399,292.91/61,210.16
  6. Step 6: Final answer
    x = 56,320.70

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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.