Home / 50,985.38-70,362.18-28,324.40

Finding the Fourth Proportional to 50,985.38, 70,362.18 and 28,324.40

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Solution

The fourth proportional to 50,985.38, 70,362.18 and 28,324.40 is: 39,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.38 : 70,362.18 = 28,324.40 : x
  2. Step 2: Convert to fraction form
    50,985.38/70,362.18 = 28,324.40/x
  3. Step 3: Cross multiply
    50,985.38x = 70,362.18 × 28,324.40
  4. Step 4: Simplify right side
    50,985.38x = 1,992,966,531.19
  5. Step 5: Solve for x
    x = 1,992,966,531.19/50,985.38
  6. Step 6: Final answer
    x = 39,088.98

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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.