Home / 35,855.36-49,526.88-30,870.08

Finding the Fourth Proportional to 35,855.36, 49,526.88 and 30,870.08

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Solution

The fourth proportional to 35,855.36, 49,526.88 and 30,870.08 is: 42,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.36 : 49,526.88 = 30,870.08 : x
  2. Step 2: Convert to fraction form
    35,855.36/49,526.88 = 30,870.08/x
  3. Step 3: Cross multiply
    35,855.36x = 49,526.88 × 30,870.08
  4. Step 4: Simplify right side
    35,855.36x = 1,528,898,747.75
  5. Step 5: Solve for x
    x = 1,528,898,747.75/35,855.36
  6. Step 6: Final answer
    x = 42,640.73

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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.