Home / 30,587.04-42,210.77-17,159.22

Finding the Fourth Proportional to 30,587.04, 42,210.77 and 17,159.22

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Solution

The fourth proportional to 30,587.04, 42,210.77 and 17,159.22 is: 23,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.04 : 42,210.77 = 17,159.22 : x
  2. Step 2: Convert to fraction form
    30,587.04/42,210.77 = 17,159.22/x
  3. Step 3: Cross multiply
    30,587.04x = 42,210.77 × 17,159.22
  4. Step 4: Simplify right side
    30,587.04x = 724,303,803.00
  5. Step 5: Solve for x
    x = 724,303,803.00/30,587.04
  6. Step 6: Final answer
    x = 23,680.09

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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.