Home / 56,388.02-77,637.89-47,873.30

Finding the Fourth Proportional to 56,388.02, 77,637.89 and 47,873.30

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Solution

The fourth proportional to 56,388.02, 77,637.89 and 47,873.30 is: 65,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,388.02 : 77,637.89 = 47,873.30 : x
  2. Step 2: Convert to fraction form
    56,388.02/77,637.89 = 47,873.30/x
  3. Step 3: Cross multiply
    56,388.02x = 77,637.89 × 47,873.30
  4. Step 4: Simplify right side
    56,388.02x = 3,716,781,730.83
  5. Step 5: Solve for x
    x = 3,716,781,730.83/56,388.02
  6. Step 6: Final answer
    x = 65,914.39

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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.