Home / 30,487.04-42,070.56-17,058.32

Finding the Fourth Proportional to 30,487.04, 42,070.56 and 17,058.32

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Solution

The fourth proportional to 30,487.04, 42,070.56 and 17,058.32 is: 23,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,487.04 : 42,070.56 = 17,058.32 : x
  2. Step 2: Convert to fraction form
    30,487.04/42,070.56 = 17,058.32/x
  3. Step 3: Cross multiply
    30,487.04x = 42,070.56 × 17,058.32
  4. Step 4: Simplify right side
    30,487.04x = 717,653,075.06
  5. Step 5: Solve for x
    x = 717,653,075.06/30,487.04
  6. Step 6: Final answer
    x = 23,539.61

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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.