Home / 30,477.01-42,061.76-17,051.66

Finding the Fourth Proportional to 30,477.01, 42,061.76 and 17,051.66

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Solution

The fourth proportional to 30,477.01, 42,061.76 and 17,051.66 is: 23,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.01 : 42,061.76 = 17,051.66 : x
  2. Step 2: Convert to fraction form
    30,477.01/42,061.76 = 17,051.66/x
  3. Step 3: Cross multiply
    30,477.01x = 42,061.76 × 17,051.66
  4. Step 4: Simplify right side
    30,477.01x = 717,222,830.52
  5. Step 5: Solve for x
    x = 717,222,830.52/30,477.01
  6. Step 6: Final answer
    x = 23,533.24

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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.