Home / 66,030.93-99,058.68-21,670.34

Finding the Fourth Proportional to 66,030.93, 99,058.68 and 21,670.34

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Solution

The fourth proportional to 66,030.93, 99,058.68 and 21,670.34 is: 32,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,030.93 : 99,058.68 = 21,670.34 : x
  2. Step 2: Convert to fraction form
    66,030.93/99,058.68 = 21,670.34/x
  3. Step 3: Cross multiply
    66,030.93x = 99,058.68 × 21,670.34
  4. Step 4: Simplify right side
    66,030.93x = 2,146,634,780.26
  5. Step 5: Solve for x
    x = 2,146,634,780.26/66,030.93
  6. Step 6: Final answer
    x = 32,509.53

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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.