Home / 52,420.77-72,338.47-28,547.37

Finding the Fourth Proportional to 52,420.77, 72,338.47 and 28,547.37

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Solution

The fourth proportional to 52,420.77, 72,338.47 and 28,547.37 is: 39,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.77 : 72,338.47 = 28,547.37 : x
  2. Step 2: Convert to fraction form
    52,420.77/72,338.47 = 28,547.37/x
  3. Step 3: Cross multiply
    52,420.77x = 72,338.47 × 28,547.37
  4. Step 4: Simplify right side
    52,420.77x = 2,065,072,996.96
  5. Step 5: Solve for x
    x = 2,065,072,996.96/52,420.77
  6. Step 6: Final answer
    x = 39,394.18

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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.