Home / 30,840.48-42,559.56-16,693.02

Finding the Fourth Proportional to 30,840.48, 42,559.56 and 16,693.02

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Solution

The fourth proportional to 30,840.48, 42,559.56 and 16,693.02 is: 23,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.48 : 42,559.56 = 16,693.02 : x
  2. Step 2: Convert to fraction form
    30,840.48/42,559.56 = 16,693.02/x
  3. Step 3: Cross multiply
    30,840.48x = 42,559.56 × 16,693.02
  4. Step 4: Simplify right side
    30,840.48x = 710,447,586.27
  5. Step 5: Solve for x
    x = 710,447,586.27/30,840.48
  6. Step 6: Final answer
    x = 23,036.20

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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.