Home / 30,959,547.36-42,723,085.68-17,020,800.96

Finding the Fourth Proportional to 30,959,547.36, 42,723,085.68 and 17,020,800.96

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Solution

The fourth proportional to 30,959,547.36, 42,723,085.68 and 17,020,800.96 is: 23,488,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959,547.36 : 42,723,085.68 = 17,020,800.96 : x
  2. Step 2: Convert to fraction form
    30,959,547.36/42,723,085.68 = 17,020,800.96/x
  3. Step 3: Cross multiply
    30,959,547.36x = 42,723,085.68 × 17,020,800.96
  4. Step 4: Simplify right side
    30,959,547.36x = 727,181,137,756,306.25
  5. Step 5: Solve for x
    x = 727,181,137,756,306.25/30,959,547.36
  6. Step 6: Final answer
    x = 23,488,106.25

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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.