Home / 42,459.36-58,492.64-29,688.65

Finding the Fourth Proportional to 42,459.36, 58,492.64 and 29,688.65

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Solution

The fourth proportional to 42,459.36, 58,492.64 and 29,688.65 is: 40,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,459.36 : 58,492.64 = 29,688.65 : x
  2. Step 2: Convert to fraction form
    42,459.36/58,492.64 = 29,688.65/x
  3. Step 3: Cross multiply
    42,459.36x = 58,492.64 × 29,688.65
  4. Step 4: Simplify right side
    42,459.36x = 1,736,567,075.63
  5. Step 5: Solve for x
    x = 1,736,567,075.63/42,459.36
  6. Step 6: Final answer
    x = 40,899.51

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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.