Home / 35,851.09-49,472.47-19,935.20

Finding the Fourth Proportional to 35,851.09, 49,472.47 and 19,935.20

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Solution

The fourth proportional to 35,851.09, 49,472.47 and 19,935.20 is: 27,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851.09 : 49,472.47 = 19,935.20 : x
  2. Step 2: Convert to fraction form
    35,851.09/49,472.47 = 19,935.20/x
  3. Step 3: Cross multiply
    35,851.09x = 49,472.47 × 19,935.20
  4. Step 4: Simplify right side
    35,851.09x = 986,243,547.02
  5. Step 5: Solve for x
    x = 986,243,547.02/35,851.09
  6. Step 6: Final answer
    x = 27,509.44

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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.