Home / 53,394.17-73,681.83-30,740.40

Finding the Fourth Proportional to 53,394.17, 73,681.83 and 30,740.40

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Solution

The fourth proportional to 53,394.17, 73,681.83 and 30,740.40 is: 42,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,394.17 : 73,681.83 = 30,740.40 : x
  2. Step 2: Convert to fraction form
    53,394.17/73,681.83 = 30,740.40/x
  3. Step 3: Cross multiply
    53,394.17x = 73,681.83 × 30,740.40
  4. Step 4: Simplify right side
    53,394.17x = 2,265,008,926.93
  5. Step 5: Solve for x
    x = 2,265,008,926.93/53,394.17
  6. Step 6: Final answer
    x = 42,420.53

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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.