Home / 53,313.02-79,964.86-21,726.40

Finding the Fourth Proportional to 53,313.02, 79,964.86 and 21,726.40

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Solution

The fourth proportional to 53,313.02, 79,964.86 and 21,726.40 is: 32,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,313.02 : 79,964.86 = 21,726.40 : x
  2. Step 2: Convert to fraction form
    53,313.02/79,964.86 = 21,726.40/x
  3. Step 3: Cross multiply
    53,313.02x = 79,964.86 × 21,726.40
  4. Step 4: Simplify right side
    53,313.02x = 1,737,348,534.30
  5. Step 5: Solve for x
    x = 1,737,348,534.30/53,313.02
  6. Step 6: Final answer
    x = 32,587.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.