Home / 46,988.89-70,465.76-18,899.45

Finding the Fourth Proportional to 46,988.89, 70,465.76 and 18,899.45

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Solution

The fourth proportional to 46,988.89, 70,465.76 and 18,899.45 is: 28,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,988.89 : 70,465.76 = 18,899.45 : x
  2. Step 2: Convert to fraction form
    46,988.89/70,465.76 = 18,899.45/x
  3. Step 3: Cross multiply
    46,988.89x = 70,465.76 × 18,899.45
  4. Step 4: Simplify right side
    46,988.89x = 1,331,763,661.01
  5. Step 5: Solve for x
    x = 1,331,763,661.01/46,988.89
  6. Step 6: Final answer
    x = 28,342.10

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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.