Home / 53,385.89-73,666.13-29,509.32

Finding the Fourth Proportional to 53,385.89, 73,666.13 and 29,509.32

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Solution

The fourth proportional to 53,385.89, 73,666.13 and 29,509.32 is: 40,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.89 : 73,666.13 = 29,509.32 : x
  2. Step 2: Convert to fraction form
    53,385.89/73,666.13 = 29,509.32/x
  3. Step 3: Cross multiply
    53,385.89x = 73,666.13 × 29,509.32
  4. Step 4: Simplify right side
    53,385.89x = 2,173,837,283.65
  5. Step 5: Solve for x
    x = 2,173,837,283.65/53,385.89
  6. Step 6: Final answer
    x = 40,719.32

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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.