Home / 35,904.36-49,545.63-19,988.40

Finding the Fourth Proportional to 35,904.36, 49,545.63 and 19,988.40

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Solution

The fourth proportional to 35,904.36, 49,545.63 and 19,988.40 is: 27,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,904.36 : 49,545.63 = 19,988.40 : x
  2. Step 2: Convert to fraction form
    35,904.36/49,545.63 = 19,988.40/x
  3. Step 3: Cross multiply
    35,904.36x = 49,545.63 × 19,988.40
  4. Step 4: Simplify right side
    35,904.36x = 990,337,870.69
  5. Step 5: Solve for x
    x = 990,337,870.69/35,904.36
  6. Step 6: Final answer
    x = 27,582.66

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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.