Home / 30,465.84-42,041.52-17,037.12

Finding the Fourth Proportional to 30,465.84, 42,041.52 and 17,037.12

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Solution

The fourth proportional to 30,465.84, 42,041.52 and 17,037.12 is: 23,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465.84 : 42,041.52 = 17,037.12 : x
  2. Step 2: Convert to fraction form
    30,465.84/42,041.52 = 17,037.12/x
  3. Step 3: Cross multiply
    30,465.84x = 42,041.52 × 17,037.12
  4. Step 4: Simplify right side
    30,465.84x = 716,266,421.22
  5. Step 5: Solve for x
    x = 716,266,421.22/30,465.84
  6. Step 6: Final answer
    x = 23,510.48

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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.