Home / 56,140.48-84,186.08-21,055.53

Finding the Fourth Proportional to 56,140.48, 84,186.08 and 21,055.53

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Solution

The fourth proportional to 56,140.48, 84,186.08 and 21,055.53 is: 31,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140.48 : 84,186.08 = 21,055.53 : x
  2. Step 2: Convert to fraction form
    56,140.48/84,186.08 = 21,055.53/x
  3. Step 3: Cross multiply
    56,140.48x = 84,186.08 × 21,055.53
  4. Step 4: Simplify right side
    56,140.48x = 1,772,582,533.02
  5. Step 5: Solve for x
    x = 1,772,582,533.02/56,140.48
  6. Step 6: Final answer
    x = 31,574.05

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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.