Home / 38,946.78-53,746.57-21,041.77

Finding the Fourth Proportional to 38,946.78, 53,746.57 and 21,041.77

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Solution

The fourth proportional to 38,946.78, 53,746.57 and 21,041.77 is: 29,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.78 : 53,746.57 = 21,041.77 : x
  2. Step 2: Convert to fraction form
    38,946.78/53,746.57 = 21,041.77/x
  3. Step 3: Cross multiply
    38,946.78x = 53,746.57 × 21,041.77
  4. Step 4: Simplify right side
    38,946.78x = 1,130,922,964.23
  5. Step 5: Solve for x
    x = 1,130,922,964.23/38,946.78
  6. Step 6: Final answer
    x = 29,037.65

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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.