Home / 30,184.06-41,628.45-19,430.77

Finding the Fourth Proportional to 30,184.06, 41,628.45 and 19,430.77

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Solution

The fourth proportional to 30,184.06, 41,628.45 and 19,430.77 is: 26,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.06 : 41,628.45 = 19,430.77 : x
  2. Step 2: Convert to fraction form
    30,184.06/41,628.45 = 19,430.77/x
  3. Step 3: Cross multiply
    30,184.06x = 41,628.45 × 19,430.77
  4. Step 4: Simplify right side
    30,184.06x = 808,872,837.41
  5. Step 5: Solve for x
    x = 808,872,837.41/30,184.06
  6. Step 6: Final answer
    x = 26,798.01

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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.