Home / 35,820.95-49,430.65-19,904.45

Finding the Fourth Proportional to 35,820.95, 49,430.65 and 19,904.45

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Solution

The fourth proportional to 35,820.95, 49,430.65 and 19,904.45 is: 27,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.95 : 49,430.65 = 19,904.45 : x
  2. Step 2: Convert to fraction form
    35,820.95/49,430.65 = 19,904.45/x
  3. Step 3: Cross multiply
    35,820.95x = 49,430.65 × 19,904.45
  4. Step 4: Simplify right side
    35,820.95x = 983,889,975.21
  5. Step 5: Solve for x
    x = 983,889,975.21/35,820.95
  6. Step 6: Final answer
    x = 27,466.88

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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.