Home / 19,903.47-29,830.29-10,045.58

Finding the Fourth Proportional to 19,903.47, 29,830.29 and 10,045.58

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Solution

The fourth proportional to 19,903.47, 29,830.29 and 10,045.58 is: 15,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.47 : 29,830.29 = 10,045.58 : x
  2. Step 2: Convert to fraction form
    19,903.47/29,830.29 = 10,045.58/x
  3. Step 3: Cross multiply
    19,903.47x = 29,830.29 × 10,045.58
  4. Step 4: Simplify right side
    19,903.47x = 299,662,415.47
  5. Step 5: Solve for x
    x = 299,662,415.47/19,903.47
  6. Step 6: Final answer
    x = 15,055.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.