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Finding the Fourth Proportional to 58,602.66, 80,866.86 and 33,111.24

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Solution

The fourth proportional to 58,602.66, 80,866.86 and 33,111.24 is: 45,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,602.66 : 80,866.86 = 33,111.24 : x
  2. Step 2: Convert to fraction form
    58,602.66/80,866.86 = 33,111.24/x
  3. Step 3: Cross multiply
    58,602.66x = 80,866.86 × 33,111.24
  4. Step 4: Simplify right side
    58,602.66x = 2,677,602,009.51
  5. Step 5: Solve for x
    x = 2,677,602,009.51/58,602.66
  6. Step 6: Final answer
    x = 45,690.79

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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.