Home / 30,698.93-46,001.45-20,666.52

Finding the Fourth Proportional to 30,698.93, 46,001.45 and 20,666.52

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Solution

The fourth proportional to 30,698.93, 46,001.45 and 20,666.52 is: 30,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.93 : 46,001.45 = 20,666.52 : x
  2. Step 2: Convert to fraction form
    30,698.93/46,001.45 = 20,666.52/x
  3. Step 3: Cross multiply
    30,698.93x = 46,001.45 × 20,666.52
  4. Step 4: Simplify right side
    30,698.93x = 950,689,938.12
  5. Step 5: Solve for x
    x = 950,689,938.12/30,698.93
  6. Step 6: Final answer
    x = 30,968.18

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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.