Home / 30,465.65-42,043.74-17,036.87

Finding the Fourth Proportional to 30,465.65, 42,043.74 and 17,036.87

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Solution

The fourth proportional to 30,465.65, 42,043.74 and 17,036.87 is: 23,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465.65 : 42,043.74 = 17,036.87 : x
  2. Step 2: Convert to fraction form
    30,465.65/42,043.74 = 17,036.87/x
  3. Step 3: Cross multiply
    30,465.65x = 42,043.74 × 17,036.87
  4. Step 4: Simplify right side
    30,465.65x = 716,293,647.51
  5. Step 5: Solve for x
    x = 716,293,647.51/30,465.65
  6. Step 6: Final answer
    x = 23,511.52

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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.