Home / 53,310.08-73,572.24-30,656.40

Finding the Fourth Proportional to 53,310.08, 73,572.24 and 30,656.40

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Solution

The fourth proportional to 53,310.08, 73,572.24 and 30,656.40 is: 42,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.08 : 73,572.24 = 30,656.40 : x
  2. Step 2: Convert to fraction form
    53,310.08/73,572.24 = 30,656.40/x
  3. Step 3: Cross multiply
    53,310.08x = 73,572.24 × 30,656.40
  4. Step 4: Simplify right side
    53,310.08x = 2,255,460,018.34
  5. Step 5: Solve for x
    x = 2,255,460,018.34/53,310.08
  6. Step 6: Final answer
    x = 42,308.33

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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.