Home / 52,445.81-72,402.64-40,936.05

Finding the Fourth Proportional to 52,445.81, 72,402.64 and 40,936.05

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Solution

The fourth proportional to 52,445.81, 72,402.64 and 40,936.05 is: 56,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,445.81 : 72,402.64 = 40,936.05 : x
  2. Step 2: Convert to fraction form
    52,445.81/72,402.64 = 40,936.05/x
  3. Step 3: Cross multiply
    52,445.81x = 72,402.64 × 40,936.05
  4. Step 4: Simplify right side
    52,445.81x = 2,963,878,219.10
  5. Step 5: Solve for x
    x = 2,963,878,219.10/52,445.81
  6. Step 6: Final answer
    x = 56,513.15

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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.