Home / 35,085.09-48,417.47-19,977.76

Finding the Fourth Proportional to 35,085.09, 48,417.47 and 19,977.76

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Solution

The fourth proportional to 35,085.09, 48,417.47 and 19,977.76 is: 27,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.09 : 48,417.47 = 19,977.76 : x
  2. Step 2: Convert to fraction form
    35,085.09/48,417.47 = 19,977.76/x
  3. Step 3: Cross multiply
    35,085.09x = 48,417.47 × 19,977.76
  4. Step 4: Simplify right side
    35,085.09x = 967,272,595.47
  5. Step 5: Solve for x
    x = 967,272,595.47/35,085.09
  6. Step 6: Final answer
    x = 27,569.33

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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.