Home / 35,746.36-49,329.66-20,642.20

Finding the Fourth Proportional to 35,746.36, 49,329.66 and 20,642.20

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Solution

The fourth proportional to 35,746.36, 49,329.66 and 20,642.20 is: 28,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.36 : 49,329.66 = 20,642.20 : x
  2. Step 2: Convert to fraction form
    35,746.36/49,329.66 = 20,642.20/x
  3. Step 3: Cross multiply
    35,746.36x = 49,329.66 × 20,642.20
  4. Step 4: Simplify right side
    35,746.36x = 1,018,272,707.65
  5. Step 5: Solve for x
    x = 1,018,272,707.65/35,746.36
  6. Step 6: Final answer
    x = 28,486.05

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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.