Home / 35,818.94-49,430.63-19,903.10

Finding the Fourth Proportional to 35,818.94, 49,430.63 and 19,903.10

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Solution

The fourth proportional to 35,818.94, 49,430.63 and 19,903.10 is: 27,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818.94 : 49,430.63 = 19,903.10 : x
  2. Step 2: Convert to fraction form
    35,818.94/49,430.63 = 19,903.10/x
  3. Step 3: Cross multiply
    35,818.94x = 49,430.63 × 19,903.10
  4. Step 4: Simplify right side
    35,818.94x = 983,822,771.95
  5. Step 5: Solve for x
    x = 983,822,771.95/35,818.94
  6. Step 6: Final answer
    x = 27,466.55

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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.