Home / 30,504.87-42,095.75-17,075.79

Finding the Fourth Proportional to 30,504.87, 42,095.75 and 17,075.79

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Solution

The fourth proportional to 30,504.87, 42,095.75 and 17,075.79 is: 23,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504.87 : 42,095.75 = 17,075.79 : x
  2. Step 2: Convert to fraction form
    30,504.87/42,095.75 = 17,075.79/x
  3. Step 3: Cross multiply
    30,504.87x = 42,095.75 × 17,075.79
  4. Step 4: Simplify right side
    30,504.87x = 718,818,101.51
  5. Step 5: Solve for x
    x = 718,818,101.51/30,504.87
  6. Step 6: Final answer
    x = 23,564.04

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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.