Home / 60,736.23-91,018.69-28,681.09

Finding the Fourth Proportional to 60,736.23, 91,018.69 and 28,681.09

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Solution

The fourth proportional to 60,736.23, 91,018.69 and 28,681.09 is: 42,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,736.23 : 91,018.69 = 28,681.09 : x
  2. Step 2: Convert to fraction form
    60,736.23/91,018.69 = 28,681.09/x
  3. Step 3: Cross multiply
    60,736.23x = 91,018.69 × 28,681.09
  4. Step 4: Simplify right side
    60,736.23x = 2,610,515,239.57
  5. Step 5: Solve for x
    x = 2,610,515,239.57/60,736.23
  6. Step 6: Final answer
    x = 42,981.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.