Home / 30,848.60-42,570.96-16,701.36

Finding the Fourth Proportional to 30,848.60, 42,570.96 and 16,701.36

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Solution

The fourth proportional to 30,848.60, 42,570.96 and 16,701.36 is: 23,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.60 : 42,570.96 = 16,701.36 : x
  2. Step 2: Convert to fraction form
    30,848.60/42,570.96 = 16,701.36/x
  3. Step 3: Cross multiply
    30,848.60x = 42,570.96 × 16,701.36
  4. Step 4: Simplify right side
    30,848.60x = 710,992,928.51
  5. Step 5: Solve for x
    x = 710,992,928.51/30,848.60
  6. Step 6: Final answer
    x = 23,047.82

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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.