Home / 30,488.16-42,075.30-17,058.62

Finding the Fourth Proportional to 30,488.16, 42,075.30 and 17,058.62

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Solution

The fourth proportional to 30,488.16, 42,075.30 and 17,058.62 is: 23,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.16 : 42,075.30 = 17,058.62 : x
  2. Step 2: Convert to fraction form
    30,488.16/42,075.30 = 17,058.62/x
  3. Step 3: Cross multiply
    30,488.16x = 42,075.30 × 17,058.62
  4. Step 4: Simplify right side
    30,488.16x = 717,746,554.09
  5. Step 5: Solve for x
    x = 717,746,554.09/30,488.16
  6. Step 6: Final answer
    x = 23,541.81

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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.