Home / 38,946.74-53,746.51-21,041.71

Finding the Fourth Proportional to 38,946.74, 53,746.51 and 21,041.71

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Solution

The fourth proportional to 38,946.74, 53,746.51 and 21,041.71 is: 29,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.74 : 53,746.51 = 21,041.71 : x
  2. Step 2: Convert to fraction form
    38,946.74/53,746.51 = 21,041.71/x
  3. Step 3: Cross multiply
    38,946.74x = 53,746.51 × 21,041.71
  4. Step 4: Simplify right side
    38,946.74x = 1,130,918,208.20
  5. Step 5: Solve for x
    x = 1,130,918,208.20/38,946.74
  6. Step 6: Final answer
    x = 29,037.56

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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.