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Finding the Fourth Proportional to 61,455.66, 84,802.32 and 34,597.68

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Solution

The fourth proportional to 61,455.66, 84,802.32 and 34,597.68 is: 47,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,455.66 : 84,802.32 = 34,597.68 : x
  2. Step 2: Convert to fraction form
    61,455.66/84,802.32 = 34,597.68/x
  3. Step 3: Cross multiply
    61,455.66x = 84,802.32 × 34,597.68
  4. Step 4: Simplify right side
    61,455.66x = 2,933,963,530.62
  5. Step 5: Solve for x
    x = 2,933,963,530.62/61,455.66
  6. Step 6: Final answer
    x = 47,741.14

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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.