Home / 61,284.45-84,582.39-57,282.24

Finding the Fourth Proportional to 61,284.45, 84,582.39 and 57,282.24

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Solution

The fourth proportional to 61,284.45, 84,582.39 and 57,282.24 is: 79,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,284.45 : 84,582.39 = 57,282.24 : x
  2. Step 2: Convert to fraction form
    61,284.45/84,582.39 = 57,282.24/x
  3. Step 3: Cross multiply
    61,284.45x = 84,582.39 × 57,282.24
  4. Step 4: Simplify right side
    61,284.45x = 4,845,068,477.34
  5. Step 5: Solve for x
    x = 4,845,068,477.34/61,284.45
  6. Step 6: Final answer
    x = 79,058.69

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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.