Home / 61,303.24-84,637.20-40,118.32

Finding the Fourth Proportional to 61,303.24, 84,637.20 and 40,118.32

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Solution

The fourth proportional to 61,303.24, 84,637.20 and 40,118.32 is: 55,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.24 : 84,637.20 = 40,118.32 : x
  2. Step 2: Convert to fraction form
    61,303.24/84,637.20 = 40,118.32/x
  3. Step 3: Cross multiply
    61,303.24x = 84,637.20 × 40,118.32
  4. Step 4: Simplify right side
    61,303.24x = 3,395,502,273.50
  5. Step 5: Solve for x
    x = 3,395,502,273.50/61,303.24
  6. Step 6: Final answer
    x = 55,388.63

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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.