Home / 47,987.61-66,223.02-26,768.25

Finding the Fourth Proportional to 47,987.61, 66,223.02 and 26,768.25

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Solution

The fourth proportional to 47,987.61, 66,223.02 and 26,768.25 is: 36,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987.61 : 66,223.02 = 26,768.25 : x
  2. Step 2: Convert to fraction form
    47,987.61/66,223.02 = 26,768.25/x
  3. Step 3: Cross multiply
    47,987.61x = 66,223.02 × 26,768.25
  4. Step 4: Simplify right side
    47,987.61x = 1,772,674,355.12
  5. Step 5: Solve for x
    x = 1,772,674,355.12/47,987.61
  6. Step 6: Final answer
    x = 36,940.25

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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.