Home / 30,752,145.65-42,438,846.71-17,001,995.51

Finding the Fourth Proportional to 30,752,145.65, 42,438,846.71 and 17,001,995.51

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Solution

The fourth proportional to 30,752,145.65, 42,438,846.71 and 17,001,995.51 is: 23,463,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,145.65 : 42,438,846.71 = 17,001,995.51 : x
  2. Step 2: Convert to fraction form
    30,752,145.65/42,438,846.71 = 17,001,995.51/x
  3. Step 3: Cross multiply
    30,752,145.65x = 42,438,846.71 × 17,001,995.51
  4. Step 4: Simplify right side
    30,752,145.65x = 721,545,081,043,309
  5. Step 5: Solve for x
    x = 721,545,081,043,309/30,752,145.65
  6. Step 6: Final answer
    x = 23,463,243.49

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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.